Showerhead



FIG. 1 is a front perspective view of a showerhead showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof, the other side being a mirror image; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a showerhead, as shown and described. 